Floating chlorine distributor with air tight design that does not require a special exhaust device; helps prevent algae growth, bacteria, and other contaminants. Versatile compatibility for all types of pools, hot tubs, and paddling pools; a practical essential for pool owners. Size and weight: 5 inch chlorine float; height 135 mm; diameter 120 mm; bottom diameter 45 mm; weight 80 g. efficiency and protection: Fully automatic low water level design; when the water pump stops working, the unit automatically lowers the water level to avoid soaking chlorine pills and to prolong the life of the chlorine pills. Use scenarios Residential backyard pool: places chlorine tablets in the floating dispenser to maintain steady sanitization. Hot tub or spa: accommodates chlorine tablets for continuous sanitization without frequent manual intervention, helping keep water clear and safe. Paddling pool or kids' pool: simple, low maintenance chlorine delivery that supports safe, clean water during playful use.